diff --git a/docs/requirements.txt b/docs/requirements.txt
index 9cf30e4daacf..622263e53d84 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,4 +4,5 @@ git+https://github.com/pieterlexis/sphinx-jsondomain@no-type-links
 git+https://github.com/pieterlexis/sphinx-changelog@render-tags
 sphinxcontrib-fulltoc
 guzzle_sphinx_theme
-docutils!=0.15
+docutils!=0.15,<0.18
+jinja2<3.1.0
diff --git a/pdns/dnsdistdist/docs/requirements.txt b/pdns/dnsdistdist/docs/requirements.txt
index 63606d88e69a..5e3da903a230 100644
--- a/pdns/dnsdistdist/docs/requirements.txt
+++ b/pdns/dnsdistdist/docs/requirements.txt
@@ -4,4 +4,5 @@ git+https://github.com/pieterlexis/sphinx-jsondomain@no-type-links
 git+https://github.com/pieterlexis/sphinx-changelog@render-tags
 sphinxcontrib-httpdomain
 sphinxcontrib-fulltoc
-docutils!=0.15
+docutils!=0.15,<0.18
+jinja2<3.1.0
diff --git a/pdns/recursordist/docs/requirements.txt b/pdns/recursordist/docs/requirements.txt
index cd61585a5325..573799b8527d 100644
--- a/pdns/recursordist/docs/requirements.txt
+++ b/pdns/recursordist/docs/requirements.txt
@@ -5,4 +5,5 @@ git+https://github.com/pieterlexis/sphinx-changelog@render-tags
 guzzle_sphinx_theme
 sphinxcontrib.httpdomain
 sphinxcontrib-fulltoc
-docutils!=0.15
+docutils!=0.15,<0.18
+jinja2<3.1.0